Watch List notes:

Abbasid, temp. al-Ma'mun, Dirham, 2.98g, Madinat Isbahan, AH205, al-mashriq below legend, rev. citing the Shi'ite Imam 'Ali bin Musa al-Rida as heir, with dhu'l riyasatayn below legend (A.224), good very fine and rare.

(£400 - £500)